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The value of ∫ cosec6 x dx will be ___________, where c is an arbitrary constant.

A. \(\frac {-1}5 \cot^5x-\frac 2 3 \cot^3 x - \cot x + c\)
B. -sin7 x - 5 sin5 x - 3 sin3 x - sin x + c
C. cos5 x + 3 cos3 x + cos x + c
D. cos6 x - 4 cos4 x + 2 cos2 x + c
Answer» B. -sin7 x - 5 sin5 x - 3 sin3 x - sin x + c


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